Step 25: Done! (Almost)

Step 26: To be continued...

The project if far from completed, though. What it is missing is: A test with different analog signals (I am missing an analog signal generator);...

Step 25: Done! (Almost)

At the end of this long experience, I feel very satisfied because

I learned a lot about microcontrollers in general;

I learned a lot more about the Arduino ATMega328P;

I had some hands-on experience of Data Acquisition, not by using something already done but by making something;

I realized an amateur oscilloscope that is not that bad.

I hope that this guide will be useful to anybody that reads it. I wanted to write it so detailed because I learned all that in the hard way (surfing the internet, reading the datasheet and by a lot of trial and error) and I would like to spare anybody from that experience.